From patchwork Sat Jun 20 22:39:04 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?J=2E_Neusch=C3=A4fer?= X-Patchwork-Id: 1313752 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=gmx.net Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=gmx.net header.i=@gmx.net header.a=rsa-sha256 header.s=badeba3b8450 header.b=kH7Ei4ie; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49q9ch4Tmpz9sQt for ; Sun, 21 Jun 2020 08:40:52 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728521AbgFTWku (ORCPT ); Sat, 20 Jun 2020 18:40:50 -0400 Received: from mout.gmx.net ([212.227.15.15]:54137 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728501AbgFTWkt (ORCPT ); Sat, 20 Jun 2020 18:40:49 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1592692778; bh=RAGt25AVvKDJqw+9yrZ6l9R/dNd3yaSsWc/0KCEdEok=; h=X-UI-Sender-Class:From:To:Cc:Subject:Date; b=kH7Ei4ieh2JUrr/ROU7TdjAoSKb+n28ITwkBr9SAprIfWshyAfYhOJNu6oYRcAngU 40sLYvte81TXLuxXRbH3mLQM7TObUZdEM9VF4h9jg5ctm424S4ime1otN9Nh0Phs0v cAHzgEHuGLfDyaPRSYvJdUdLaF1XR7EnaHDlRpJk= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from longitude ([5.146.194.186]) by mail.gmx.com (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1N79yQ-1ioF2D3RyW-017Qzr; Sun, 21 Jun 2020 00:39:37 +0200 From: =?utf-8?q?Jonathan_Neusch=C3=A4fer?= To: linux-kernel@vger.kernel.org Cc: Lee Jones , Rob Herring , =?utf-8?q?Jonathan_Neusch=C3=A4fer?= , Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Alessandro Zummo , Alexandre Belloni , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Sam Ravnborg , Linus Walleij , Heiko Stuebner , Stephan Gerhold , Lubomir Rintel , Mark Brown , allen , Mauro Carvalho Chehab , "David S. Miller" , devicetree@vger.kernel.org, linux-pwm@vger.kernel.org, linux-rtc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Heiko Stuebner , Josua Mayer , Andreas Kemnade Subject: [RFC PATCH 00/10] Netronix embedded controller driver for Kobo and Tolino ebook readers Date: Sun, 21 Jun 2020 00:39:04 +0200 Message-Id: <20200620223915.1311485-1-j.neuschaefer@gmx.net> X-Mailer: git-send-email 2.27.0 MIME-Version: 1.0 X-Provags-ID: V03:K1:dB3zkFm6Dp37mtCsRvQnO4dmzEkVo0+p+QNR4wonzzE+gE8OPo7 a/51mlxEjTz9/maj1H88yYo34qY3L1M/CIyNDHBBzdIb/9rkmSm1TdnWS2/gK3n6uLuM9xj vcykaFX5b7WmGtn4RyPj7JEtQyzIkf7LfRByhtJc1hj2ux0ztZimykMSIrlkanH0q3MZm/V L6WuFVU+gAYKtFYZFod/Q== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:e7qQ6lwVSYM=:97UP3ASFO3a8AXrXwwpeVd KopbwNa1a1hucFz8HTDIO9Qzq/NcOHCCkhxyGCLWZN+5MsNrJ10BYCoKd2MYRxvEyr/VBfD3P Hyb4neb64b730uhOC8/iH0W16QsTYFmy6ZJ0OEp/bzFdpbkNvAw/khtdLXhzFN+2gqi/u00aj 8hr+1WHq7TWmMy7HXgMufbOBIhxemUC4/FSceeFgTg7hUEa6Cz4xu3Yc6Fzu92d2iDBZbZ4MO DGLXX8yVtwciFUE2oBf1VrsSDHf5CpB/SWdBqfYGKGLVjSXgtKbhO17cp26BShwZ97WtlUGTo z9GeoyO7Hl2PmMyOt+TLZ0z7c6BxXLl7YK+HsdAj0gSk7bO/lRwh4QLESNin1UpKYeHMQx225 h07qL05/jMS5+HiLVNCwrK5qc3nbdVi9fJyNDdt0p4ilaZTy0pBKMfumQmFcDTaJct6TbEvUa UXq7dP2w9MN+Mak/bEa/vlDBEmNswH/lmM41FghkhpXxjKEqLprfVjuY4W1fWO6UeLws8ZSqY u2vP9TLTg+3CeeoFnMbYfNKzCwcStQ6Jp99u7GA5qYPjgOQUxgJOkuY9DxCvaz1evFNicWZDf PEBMN1jQ5nyUZw28JMl/SgwC6WOCeucySG7UAXKgOdSkpm5aUXrzRwHWEpqpe1xNNnrVIgsSQ n1b360e1sT8+kaS3U4O/w8C0hwjIEnYOP6/XURX+2caOGGio+a6+8ccVIpi63udwXnllVbaIN 8GbMaYPH0AqCKlQeBaQDZpE2URJdHvARFrrlfp3fwjaSt9jYMiXSl8kxfq7Lkmv79NeXK4mct s2cjDkM+BWTgOkW2/lCxESXkm24ucyTGZlW8jOi8TyXlL3eZ6DO8uu2xLQpNDZYgeokYj6gMW VDH1fnwKv1yVw/jEWD8Cklv40M9SLmKrbOBxYsqqtbU/fSLygXAGxAp+k2odCrxmLYxBmDbJi LPZz5x//lgtcWHcTtXZYkd5JghBHjdtlFNm/0QRMrZwQaUWnR66ZUXBBl9kfFNFZ4YAi/uwqW J6Cup1je6gVahK5xbtHWOIYeDWFe5AGt0IiefzW4tGEkDBmn7Qb4SBG4ZANfZoctXwHut81Zv /7rc6sdWkEJYcbXVpWqeXG7Uv3zdq0TRRjKZtepINKWOXz0PIsW872W67v8rWhD7I9rJePT3L C/lnyDVWj8vLZdfbXlRN0zYlukiaJYGd7X+ynCeNzWOkT52sZgaP4V8KALz4KijDNdt2EA2Ft Mnhcu4IDQHqEPh8Hi Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi, This patchset adds basic support for the embedded controller found on older ebook reader boards designed by/with the ODM Netronix Inc.[1] and sold by Kobo or Tolino, for example the Kobo Aura and the Tolino Shine. These drivers are based on the vendor kernel sources, but in order to all information in a single place, I documented the register interface of the EC on GitHub[4]. A few things still needs to be ironed out, hence the RFC tag: - The reboot/reset handler in patch 3/10 calls into I2C code, which may sleep, but reboot handlers are apparently not allowed to sleep. - I'm not sure I got the YAML DT bindings right. I have also included the plain text DT bindings for reference. Jonathan [1]: http://www.netronixinc.com/products.aspx?ID=1 [2]: https://github.com/neuschaefer/linux/wiki/Netronix-MSP430-embedded-controller Jonathan Neuschäfer (10): DT bindings in plain text format dt-bindings: Add vendor prefix for Netronix, Inc. dt-bindings: mfd: Add binding for Netronix's embedded controller mfd: Add base driver for Netronix embedded controller dt-bindings: pwm: Add bindings for PWM function in Netronix EC pwm: ntxec: Add driver for PWM function in Netronix EC dt-bindings: rtc: Add bindings for Netronix embedded controller RTC rtc: New driver for RTC in Netronix embedded controller MAINTAINERS: Add entry for Netronix embedded controller ARM: dts: imx50-kobo-aura: Add Netronix embedded controller .../bindings/mfd/netronix,ntxec.txt | 58 ++++++ .../bindings/mfd/netronix,ntxec.yaml | 77 +++++++ .../bindings/pwm/netronix,ntxec-pwm.txt | 27 +++ .../bindings/pwm/netronix,ntxec-pwm.yaml | 33 +++ .../bindings/rtc/netronix,ntxec-rtc.txt | 17 ++ .../bindings/rtc/netronix,ntxec-rtc.yaml | 27 +++ .../devicetree/bindings/vendor-prefixes.yaml | 2 + MAINTAINERS | 11 + arch/arm/boot/dts/imx50-kobo-aura.dts | 27 ++- drivers/mfd/Kconfig | 7 + drivers/mfd/Makefile | 1 + drivers/mfd/ntxec.c | 188 ++++++++++++++++++ drivers/pwm/Kconfig | 4 + drivers/pwm/Makefile | 1 + drivers/pwm/pwm-ntxec.c | 148 ++++++++++++++ drivers/rtc/Kconfig | 4 + drivers/rtc/Makefile | 1 + drivers/rtc/rtc-ntxec.c | 115 +++++++++++ include/linux/mfd/ntxec.h | 30 +++ 19 files changed, 777 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/mfd/netronix,ntxec.txt create mode 100644 Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml create mode 100644 Documentation/devicetree/bindings/pwm/netronix,ntxec-pwm.txt create mode 100644 Documentation/devicetree/bindings/pwm/netronix,ntxec-pwm.yaml create mode 100644 Documentation/devicetree/bindings/rtc/netronix,ntxec-rtc.txt create mode 100644 Documentation/devicetree/bindings/rtc/netronix,ntxec-rtc.yaml create mode 100644 drivers/mfd/ntxec.c create mode 100644 drivers/pwm/pwm-ntxec.c create mode 100644 drivers/rtc/rtc-ntxec.c create mode 100644 include/linux/mfd/ntxec.h --- 2.27.0